<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        ul {
            margin: 0;
            padding: 0;
            /*去掉图标(点)*/
            list-style-type: none;
        }
        li {
            float: left;
            margin-right: 20px;
        }
    </style>
</head>
<body>
    <ul>
        <li>首页</li>
        <li>直播课</li>
        <li>精品课</li>
        <li>免费课</li>
        <li>大师课</li>
    </ul>
</body>
</html>